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GET
cURL

Authorizations

Authorization
string
header
required

Authorization: Bearer tl_live_…

Path Parameters

universal_id
string
required

no control, format, private-use, unassigned, line or paragraph separator character

Required string length: 1 - 256

Query Parameters

venue
enum<string>
required

the venue whose book to read

Available options:
kalshi,
polymarket,
limitless,
predictfun
depth
integer
default:10

levels per side

Required range: 1 <= x <= 10

Response

Successful Response

age_ms
integer
required

now - ts_ms, floored at 0

as_of_ms
integer
required

when the book was read, unix milliseconds

max_age_s
integer
required

the age bound applied to this venue

no
PublicBookSide · object
required

the NO book

no_source
enum<string>
required

book: the venue's own NO book; derived: 1 - the YES book, approximate on Polymarket, whose YES and NO are two real books

Available options:
book,
derived
ts_ms
integer
required

the YES book's last change, unix ms

universal_id
string
required

the market universal id

venue
enum<string>
required

the venue this book is from

Available options:
kalshi,
polymarket,
limitless,
predictfun
venue_market_id
string
required

the market's id on this venue

yes
PublicBookSide · object
required

the YES book